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Stainless Steel AISI304 Johnson Type Strainer

Stainless Steel AISI304 Johnson Type Strainer

Oasis Oil Tools Co., LTD manufacture and supplier Stainless Steel AISI304 Johnson type Strainer. Which are popular used for water/oil well drilling projects. Oasis johnson type strainers have been exported to many overseas market. Company Profile: Oasis Oil Tools Co.,LTD , located in the...
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Oasis Oil Tools Co., LTD manufacture and supplier Stainless Steel AISI304 Johnson type Strainer. Which are popular used for water/oil well drilling projects. Oasis johnson type strainers have been exported to many overseas market.

Company Profile:

Oasis Oil Tools Co.,LTDlocated in the industrial park of high-tech enterprises  in Fengquan District,  Xinxiang City, covers more than 20000 square meters  with total RMB 15 million investment.  Oasis now has more than 150 staff,  among them 6 persons are  senior engineer. After many years' efforts,  now  OASIS has developed into a  professional and famous manufacturer, which design, manufacture and sell
stainless steel and galvanized carbon steel water well screens /johnson screens, oil well screens and  sand control well screens, bridge slotted well screens,  pipe based well screens,  perforated pipe (base pipe),  gravel pre-packed well screens, wedge wire screens, passive water intake screens, and other water, oil and gas well filtering products as well as steel tubes and pipes and industrial parts.


Advantages of Stainless Steel AISI304 Johnson type Strainer:

1.Better filter function. The V-shape section plane of water well screens(Johnson screens) creates the continuous slot, which can avoid blockage and make sure of the unimpeded water.
2. Prolong life of well. The consecutive slot of water well screens(Johnson screens) have wider open area, and it can reduce the speed of the water entering to avoid the sand entering the screen under the great pressure, so it can control sand better, which can increase the water yield and prolong service time of the well.
3.Long service life. Wire and support rods are all-welded, which makes water well screens(Johnson screens) more robust and longer life.
4.High pressure-resistant. The longitudinal support  rods and the continuous slot make the water well screens(Johnson screens) have more excellent pressure-resistant performance.
5.Customized. Specifications and end connections of water well screens(Johnson type screens) can be fabricated according to customers’ requirements.


Techinical Information:

Specification (wedge wire): 

Width(mm): 1.50 1.80 2.30 3.00 3.30 3.70 4.00
Height(mm): 2.20 2.50 2.70 3.60 4.30 4.70 5.60 6.30 7.00

Specification (support rod): 

Width(mm): 2.30 3.00 3.30 3.70 
Height(mm): 2.70 3.60 4.70 5.60 6.30
Round: From 2.50mm to 6.0mm 

Note: other specifications available as per request

Slot size 

0.10, 0.15, 0.20, 0.25, 0.30…… 6.00mm also achieved upon request. 


stainless steel (304/304L,316/3216L,etc.) 


 up to 6 meters. 


 219.1mm or from 25mm to 1200mm. 

End connection 

Plain beveled ends, flanged or threaded couplings


Reference Pictures of johnson screen/wire wrapped screen:

Inspection and Test details of johnson screen/water well screen/stainless steel screen: 

1. All Dimensions of Stainless Steel AISI304 Johnson type Strainer will be checked by our quality inspector, and they also can be inspected by Third Party Inspections or representative appointed by buyer. 

2. Wall thickness of coupling material is inspected by Ultrasonic inspection method, and they also be made the  Ultrasonic flaw detection 

3. Do Destructive Collapse Test and collaspe Strength Test before shipment.  

4. If required, the screen will be made pickling and passivation.  

5. The whole manufacturing process can be monitored by Third Party Inspection Company and representative appointed by buyer. 

6.The strainers will be arranged the Pre-shipment Inspection if required. 


Quick action, Prompt reply, 24hours/7days Service, To be your Reliable Partner. 


1.Diameter:  determined by the borehole diameter and pump size. stainless steel or galvanized carbon steel according to the PH value of water.3.Slot size: as per the size of filter medium and gravels.4.Collapse strength and  tensile strength: decided by the depth of screen installed. 5.Unit length: 2.9 and 5.8m fit for the container. But other length is acceptable. 6. Connection ways: Welding, API Thread(Pin and Box), or Flange 

Any requirement of Stainless Steel AISI304 Johnson type Strainer, please kindly contact with me, Mobile/WhatsApp/Wechat:

+86 18737338498   

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